采用离子束溅射技术制备Co/Pt多层膜,用RBS、小角XRD和断面TEM研究了多层膜的周期性调制结构,用VSM研究了磁性层Co和顺磁性层Pt的厚度变化对饱和磁化强度的影响.结果表明,多层膜具有良好的周期性层状结构,和设计值一致.样品的饱和磁化强度(Ms)随Co层厚度增加而增大,随Pt层的厚度增大而减小.当Co层和Pt层的厚度比一定时,样品的饱和磁化强度不受周期数的影响,符合Ms=Mcotco/D模型.
参考文献
| [1] | Engel B N;Falco C M .[J].MRS Bulletin,1990,Xl(10):34. |
| [2] | Nakajirma H;Fujimori H;Koiwa M .[J].Journal of Applied Physics,1988,63:1046. |
| [3] | Geideman W.A. .Progress in ferroelectric memory technology[J].IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,1991(6):704-711. |
| [4] | Chappert C;Renard D;Beauvillain P et al.[J].Journal of Magnetism and Magnetic Materials,1986,54:795. |
| [5] | Zeper W B;Greidanus F J A M;Carcia P F et al.[J].Journal of Applied Physics,1989,65:4971. |
| [6] | Hasimoto S;Ochiai Y .[J].Journal of Magnetism and Magnetic Materials,1990,88:21. |
| [7] | Li Z G;Carcia P F .[J].Journal of Applied Physics,1992,71(02):842. |
| [8] | Cadieu F J;Russak M A;McGahan et al.[J].Journal of Applied Physics,1991,69(07):4021. |
| [9] | R Van Leeuwen;England C D;Dutcher J R et al.[J].Journal of Applied Physics,67:4910. |
| [10] | England C D;Bennett W R;Falco C M .[J].Journal of Applied Physics,1988,63:3209. |
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